La Nina 2025 2025r John. Some forecasts were calling for it to begin as early as june 2024, but it held off. La niña begins when pacific trade winds strengthen, pushing warm surface waters westward and allowing cooler water to rise in the eastern pacific.

The ⁤forecasts ⁤for 2025 indicate a slight decrease in global average temperatures compared to 2024, thanks⁢ to the ‌influence of the climatic phenomenon la niña. As we entered 2025, the looming threat of la niña added another layer of uncertainty to the global climate picture.